| Cattleya Tom Thatcher | 31 Jul 2020 | Cattleya Margaret Stewart × Cattleya Claesiana Alba |
| Cattleya Floral Aria | 04 Jun 1991 | Cattleya Margaret Stewart × Cattleya Califlora |
| Cattlianthe Lois Thome | 01 Jan 1988 | Cattlianthe Ken Battle × Cattleya Margaret Stewart |
| Cattleya Callisto | 01 Jan 1984 | Cattleya Margaret Stewart × Cattleya Michiko Nakagawa |
| Cattleya Linda Cheek | 01 Jan 1984 | Cattleya Margaret Stewart × Cattleya Rival |
| Cattleya Lute Song | 01 Jan 1983 | Cattleya Margaret Stewart × Cattleya Drumbeat |
| Cattleya Maytime Melody | 01 Jan 1981 | Cattleya Margaret Stewart × Cattleya Paradisio |
| Rhyncholaeliocattleya Jean Murray | 01 Jan 1977 | Rhyncholaeliocattleya Déesse × Cattleya Margaret Stewart |
| Rhyncattleanthe Patricia McEllen Warren | 01 Jan 1977 | Cattleya Margaret Stewart × Rhyncanthe Daffodil |
| Cattleya Margaret Angel | 01 Jan 1974 | Cattleya Margaret Stewart × Cattleya Angelwalker |
| Cattleya Jeanne Sickler | 01 Jan 1973 | Cattleya Muse's Little Star × Cattleya Margaret Stewart |
| Cattleya Wydewood | 01 Jan 1973 | Cattleya Intermediette × Cattleya Margaret Stewart |
| Catyclia Anna Kessler | 01 Jan 1971 | Cattleya Margaret Stewart × Encyclia correllii |
| Cattleya Freshie | 01 Jan 1971 | Cattleya Margaret Stewart × Cattleya cinnabarina |
| Myrmecocattleya Jo Anne Caldwell | 01 Jan 1970 | Cattleya Margaret Stewart × Myrmecophila thomsoniana |
| Rhyncholaeliocattleya Jim Ziglar | 01 Jan 1969 | Cattleya Margaret Stewart × Rhyncholaeliocattleya Golden Myth |
| Cattleya Maggie Daly | 01 Feb 1968 | Cattleya Margaret Stewart × Cattleya Ethel Leder |
| Cattleya Lynn Diane | 01 Jan 1968 | Cattleya Pearl Harbor × Cattleya Margaret Stewart |
| Cattleya Adrian Elizabeth Hausermann | 01 Jan 1968 | Cattleya Henrietta Japhet × Cattleya Margaret Stewart |
| Cattlianthe Caribbean | 01 Jan 1968 | Cattleya Margaret Stewart × Guarianthe aurantiaca |
| Cattleya Happy Talk | 01 Jan 1968 | Cattleya Dubiosa (1890) × Cattleya Margaret Stewart |
| Cattleya Lenah Liedtke | 01 Jan 1967 | Cattleya Margaret Stewart × Cattleya intermedia |
| Cattleya White Face | 01 Jan 1966 | Cattleya Margaret Stewart × Cattleya Karae Lyn Sugiyama |
| Cattleya White Friar | 01 Jan 1966 | Cattleya Margaret Stewart × Cattleya Barbara Billingsley |
| Cattleya Anne Pugh | 01 Jan 1966 | Cattleya Louise Georgianna × Cattleya Margaret Stewart |
| Cattleya White Ruffles | 01 Jan 1965 | Cattleya Esther Kennedy × Cattleya Margaret Stewart |
| Cattleya White Smoke | 01 Jan 1965 | Cattleya Margaret Stewart × Cattleya Prima Donna (1953) |
| Cattleya Empress Margaret | 01 Jan 1965 | Cattleya Empress Bells × Cattleya Margaret Stewart |
| Cattleya Lorene Newbill Stockton | 01 Jan 1965 | Cattleya Margaret Stewart × Cattleya Charlesworthii (1900) |
| Cattleya Ona Newbill | 01 Jan 1965 | Cattleya Judy Small × Cattleya Margaret Stewart |
| Cattleya Kim Wood | 01 Jan 1964 | Cattleya Margaret Stewart × Cattleya Bob Betts |
| Catyclia Rayna Wallbrunn | 01 Jan 1963 | Cattleya Margaret Stewart × Encyclia cordigera |
| Cattleya Esther Larsen | 01 Jan 1963 | Cattleya Margaret Stewart × Cattleya Bow Bells |
| Rhyncholaeliocattleya Edna Beth Smith | 01 Jan 1962 | Cattleya Margaret Stewart × Rhyncholaelia glauca |